Louisiana State University

Culture medium - Answer microorganisms can be grown in them; composed of digests of chemically undefined substances such as yeast and meat extracts Defined medium - Answer precise chemical composition is known Broth - Answer liquid culture medium Solid medium - Answer culture medium containing a solidifying agent, usually agar Plates - Answer solid media in Petri dishes Deeps - Answer test tubes containing solid medium, usually used for anaerobi...

Growth - Answer Increase in the number of cells Binary Fission - Answer Example of Intercalary Growth in prokaryotes Examples of Polar Growth in Prokaryotes - Answer Simple Budding Budding by hyphae Cell division in stalked bacteria Polar growth without differentiation of cell size DNA replication Formation of DIvisome Cell elongation - Answer Steps for cell division 1 - Answer How many origins of replication for bacteria 1,2,or3 - Answer ...

1) Lactobacillus and Streptococcus 2) Sacchromyces - Answer 1) two genus that produce lactic acid 2) genus that produces CO2 and alcohol False. GROWTH DOES NOT MEAN SURVIVAL - Answer Growth means survival (T/F) Growth - Answer The organism remains under subjected treatment conditions long enough to grow and divide. Survival - Answer The organism is exposed to the treatment for a limited time but not enough for division to occur, then removed to be assayed for s...

Lauryl sulfate lactose broth, Brilliant green lactose bile broth - Answer Which of the following media is/are used in the series of tests for the most probable number (MPN) technique? a. Lauryl sulfate lactose broth b. Brilliant green lactose bile broth c. phenyl ethyl alcohol agar d. trypticase soy agar 100x - Answer What is the highest magnification of the objective you will use to view your smear? Select one: a. 2x b. 5x c. 10x d. 40x e. 100x 0.2 microns - Answer...

What is the reagent that serves as the substrate in the catalase test? - Answer hydrogen peroxide what type of metabolism is associated with catalase production? - Answer aerobic respiration for what product is one testing when using the catalase test? - Answer cytochrome c oxidase would you expect aerobes to produce catalase? - Answer No, catalase enzymes are made by organisms that produce energy using aerobic respiration describe the appearance of a positive...

Distinguish between macronutrients and micronutrients. - Answer macro-elements needed in large amounts micro-elements needed in small amounts List all 10 macronutrients - Answer carbon hydrogen oxygen nitrogen potassium calcium magnesium phosphorous sulfur sodium Give some examples of micronutrients - Answer boron, iron, and cobalt How do growth factors differ from macronutrients and micronutrients? - Answer growth factors are organic micronutrients tha...

Rabies disease is a ____ (pick only one answer) A. Slowly progressing zoonotic viral disease, with main reservoir being wild animals, such as skunks, raccoons B. No treatment for rabies is currently available C. Caused by an anaerobic endospore forming rod shaped bacterium, and a fecal oral transmission route D. Fast-progressing, first symptoms in 1 hr after exposure, death within 3 days E. Airborne transmission (via inhalation of spores) - Answer A What is NOT a diseased caused ...

Define microbiology - Answer The study of cellular and noncellular organisms too small to be seen with the naked eye What are microorganisms? - Answer a microscopic organism consisting of a single cell or cell cluster or a virus Where do you find microorganisms? - Answer everywhere lol How many microorganisms are estimated to be on Earth? - Answer 25X10^29 How long have microorganisms been on Earth? - Answer 4 billion years How do microorganisms impac...

B - Answer Microbiology is the study of ________. A) small organic molecules B) all cellular and noncellular organisms too small to be seen with the naked eye C) small eukaryotic cells and the evolution of eukaryotic cells D) only A and B are correct E) all three are correct D - Answer Which of the following is not a characteristic of cells? A) they interact with the environment B) they communicate with each other C) they can move D) can function independently of one anot...

what are Koch's Postulates? - Answer 1. the microorganisms must be present in every case of the disease but absent from healthy individuals 2. the suspected microorganisms must be isolated and grown in pure culture 3. the same disease must result when the isolated microorganism is inoculated in a healthy host 4. the same microorganism must be isolated again from the diseased host why was the discovery of phagocytic cells in the blood important? - Answer foundational discover...